Combination stank of swamp nuts/twat, unwashed/wiped ass, armpit, dirty socks, road grime and bad breath producing a funk akin to a bag of rotten potatos. Usually associated with truck drivers that have been on the road for extended periods without a shower.
Shop Planner: what the hell is that nasty funky ass smell?
Parts Coordinator: oh, that was potato butt! that driver never takes a shower!
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.